请输入您要查询的百科知识:

 

词条 Sinigrin
释义

  1. See also

  2. References

{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 418373453
| ImageFile = Sinigrin2.svg
| ImageSize = 200px
| ImageFile2 =
| ImageSize2 = 250px
| IUPACName = S-β-D-glucopyranosyl (Z)-O-(potassium sulfonato)but-3-enehydroximothioate[1]
| SystematicName = Potassium [(Z)-1-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]sulfanylbut-3-enylideneamino] sulfate
| OtherNames = Allylglucosinolate; 2-Propenylglucosinolate
|Section1={{Chembox Identifiers
| CASNo_Ref = {{cascite|correct|??}}
| CASNo = 3952-98-5
| PubChem = 23682211
| ChEBI_Ref = {{ebicite|changed|EBI}}
| ChEBI = 79317
| SMILES = C=CCC(=NOS(=O)(=O)[O-])SC1C(C(C(C(O1)CO)O)O)O.[K+]
| SMILES2 = C=CC/C(=N/OS(=O)(=O)[O-])/S[C@@H]1O[C@H](CO)[C@H]([C@@H]([C@H]1O)O)O.[K+]
| MeSHName = Sinigrin
|Section2={{Chembox Properties
| Formula = C10H16KNO9S2
| MolarMass = 397.46 g/mol
| Appearance =
| Density =
| MeltingPt =
| BoilingPt =
| Solubility =
|Section3={{Chembox Hazards
| MainHazards=
| FlashPt=
| AutoignitionPt =
}}

Sinigrin is a glucosinolate that belongs to the family of glucosides found in some plants of the Brassicaceae family such as Brussels sprouts, broccoli, and the seeds of black mustard (Brassica nigra). Whenever sinigrin-containing plant tissue is crushed or otherwise damaged, the enzyme myrosinase degrades sinigrin to a mustard oil (allyl isothiocyanate), which is responsible for the pungent taste of mustard and horseradish.[2] Seeds of white mustard, Sinapis alba, will give a much less pungent mustard because this species contains a different glucosinolate, sinalbin.

The chemical name of sinigrin is allylglucosinolate or 2-propenylglucosinolate.

Sinigrin stereochemical configuration on the C=N double bond was for a time uncertain, and has been resolved by X-ray crystallography in 1963 to be the Z (or syn) isomer.[3]

Singrin is also known to be allelopathic.[4]

See also

  • Allyl isothiocyanate
  • Gluconasturtiin
  • List of phytochemicals in food

References

1. ^http://www.sbcs.qmul.ac.uk/iupac/2carb/33.html Nomenclature of Carbohydrates (Recommendations 1996), 2-Carb-33.3. Thioglycosides
2. ^{{cite web |last=Richard |first=H. |title=Arômes alimentaires |url=http://www.cnrs.fr/chimie/communication/images/images-chimietous/minidossiers/cours%20aromes_hubert%20richard.pdf |language=fr |deadurl=yes |archiveurl=https://web.archive.org/web/20070214074448/http://www.cnrs.fr/chimie/communication/images/images-chimietous/minidossiers/cours%20aromes_hubert%20richard.pdf |archivedate=2007-02-14 |df= }}
3. ^{{cite journal|last1=Waser|first1=Jürg|last2=Watson|first2=William H.|title=Crystal Structure of Sinigrin|journal=Nature|volume=198|issue=4887|year=1963|pages=1297–1298|issn=0028-0836|doi=10.1038/1981297b0}}
4. ^{{cite journal | author = Lankau R | date = 2008 | title = A chemical trait creates a genetic trade-off between intra- and interspecific competitive ability | journal = Eco | volume = 89 | issue = 5 | pages = 1181–1187}}
{{Glycosides}}{{biochem-stub}}

6 : Pungent flavors|Nutrition|Glucosinolates|Allyl compounds|Organosulfates|Potassium compounds

随便看

 

开放百科全书收录14589846条英语、德语、日语等多语种百科知识,基本涵盖了大多数领域的百科知识,是一部内容自由、开放的电子版国际百科全书。

 

Copyright © 2023 OENC.NET All Rights Reserved
京ICP备2021023879号 更新时间:2024/11/17 8:05:37